20016021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1459}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 28382400

約数和(自身を除く): 8366379

約数列:

[1, 3, 17, 51, 269, 807, 1459, 4377, 4573, 13719, 24803, 74409, 392471, 1177413, 6672007, 20016021]

約数ペア:

[(1, 20016021), (3, 6672007), (17, 1177413), (51, 392471), (269, 74409), (807, 24803), (1459, 13719), (4377, 4573)]